CN109482071A - A kind of preparation method and its usage of PVDF/GO@PDA@HNTs composite membrane - Google Patents
A kind of preparation method and its usage of PVDF/GO@PDA@HNTs composite membrane Download PDFInfo
- Publication number
- CN109482071A CN109482071A CN201811363842.8A CN201811363842A CN109482071A CN 109482071 A CN109482071 A CN 109482071A CN 201811363842 A CN201811363842 A CN 201811363842A CN 109482071 A CN109482071 A CN 109482071A
- Authority
- CN
- China
- Prior art keywords
- pvdf
- composite membrane
- pda
- hnts
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0202—Separation of non-miscible liquids by ab- or adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0079—Manufacture of membranes comprising organic and inorganic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
- B01D71/021—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/30—Polyalkenyl halides
- B01D71/32—Polyalkenyl halides containing fluorine atoms
- B01D71/34—Polyvinylidene fluoride
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/36—Hydrophilic membranes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention belongs to technical field of environment function material preparation, and in particular to a kind of preparation method of PVDF/GO@PDA@HNTs composite membrane；Specific step is as follows: preparing PVDF/GO composite membrane first；Dopamine solution is configured, galapectite is dissolved in dopamine solution, PVDF/GO composite membrane is added, concussion reaction is rinsed well with deionized water and ethyl alcohol, is dried, and PVDFGO PDA HNTs composite membrane is made；The present invention uses membrane separation technique, and process is shorter, easy controlled operation, economizes on resources, is without secondary pollution, meeting Green Chemistry concept, suitable for being widely used to promote.
Description
Technical field
The invention belongs to technical field of environment function material preparation, and in particular to a kind of PVDF/GO@PDA@HNTs composite membrane
Preparation method and its usage.
Background technique
Oil extraction in recent years, marine oil spill accident, a large amount of oily waste water caused by sanitary sewage etc. have become puzzlement
A major challenge of environment.Oily waste water can cause huge harm to environment, across the sea such as petroleum floating, rapid divergent contour
The reoxygenation of water body can be hindered to act at one layer of air-locked oil film, lead to ocean water body anoxic, influence halomereid growth,
Destroy marine ecology balance.Oily waste water treatment is got up also extremely difficult, low efficiency, at high cost, and Oil in Sewage Water presses physical state
It is divided into four kinds: free oil, dispersed oil, oil emulsion, dissolved oil.
Currently used is membrane separation process, because UF membrane has, low energy consumption, single-stage separative efficiency is high, process flexible letter
Singly, the advantages that environmental pollution is low, versatile；But UF membrane application efficiency is steady by the resistance tocrocking of film, thermal stability, chemistry
The limitation of the external factors such as the internal factors such as qualitative and membrane module form, operating condition.With the development of material science in recent years
Surfacing research and development based on special wetability is swift and violent, mainly includes super hydrophilic, super-hydrophobic, super oleophylic, superoleophobic, super double
Dredge, surpass parents surface etc., in self-cleaning surface, anti-fog coating, nonpolluting coating, anti-fingerprint coating, microlayer model Transfer Technology, grease
Separation etc. achieves a series of applications.Kynoar (PVDF) film have good chemical stability, mechanical strength it is big,
The excellent performances such as high tenacity have good application prospect in waste water oil removing field；But hydrophobic pvdf membrane there are surface can it is low, seep
The problems such as flux is small, easy to pollute thoroughly, restricts it in the application in UF membrane field.
The essence of water-oil separating is interface problem, by the special wellability on designing material surface, obtain it is superoleophobic or
Super-hydrophobic separation material undoubtedly improves its most effective means of water-oil separating performance；However the film based on special wetability
There is also many problems for the application of material, such as the resistance to swelling of film is poor, chemical resistance is poor, flux decline is very fast, processing
The limited types of oily wastewater, separative efficiency be not high, and these problems are all urgently to be resolved.
Summary of the invention
In view of the deficiency of the prior art, present invention seek to address that one of described problem；It provides a kind of based on angstrom Lip river
Stone modifies the preparation method of super hydrophilic/underwater superoleophobic Kynoar/graphene oxide composite membrane, the specific steps are as follows:
(1) vinylidene/graphene oxide blend film is prepared: by graphene oxide (GO), Kynoar (PVDF) powder
End is dissolved in N-Methyl pyrrolidone (NMP) with polyvinyl alcohol (PVA), polyvinylpyrrolidone (PVP), after mechanical stirring, is obtained
To casting solution, casting solution is evenly applied to glass plate, is put into deionized water, PVDF/GO film is made；
(2) Dopamine hydrochloride solution is prepared first, galapectite (HNTs) is then dissolved in Dopamine hydrochloride solution, and step is added
Suddenly the PVDF/GO film in (1) seals concussion reaction, and PVDF/GO@PDA@HNTs composite membrane is made.
Further, graphene oxide described in step (1), Kynoar, polyvinyl alcohol, polyvinylpyrrolidone and
N-Methyl pyrrolidone amount ratio is 0.15~0.6g:1.5~6g:0.25~1g:0.1~0.4:30mL.
Further, churned mechanically temperature described in step (1) is 50 DEG C, and the mechanical stirring time is for 24 hours.
Further, the concentration of Dopamine hydrochloride solution described in step (2) is 2mg/L.
Further, the amount ratio of galapectite described in step (2) and Dopamine hydrochloride solution is 0.05~0.2g:
100mL。
Further, the time of concussion reaction described in step (2) be 6~for 24 hours.
The super hydrophilic composite membrane has super hydrophilic/underwater superoleophobic property, and stability is strong, and preparation is simple, has
Potential application, as separated the grease stain in oily wastewater, the application of purified water etc..
The utility model has the advantages that
(1) PVDF material price used in the present invention is cheap, from a wealth of sources, and the method for preparing film forming is simple, low power consuming,
Can be mass-produced pvdf membrane and be applied to UF membrane field.
(2) present invention sticks technology using dopamine is bionical, by one-step method by natural minerals galapectite load to PVDF/
On GO film, and conventional suction method is overcome in PVDF/GO film carrying inorganic nanoparticle defect easy to fall off, be prepared for PVDF/
GO@PDA@HNTs composite membrane；By contact angle test, composite membrane contact angle waterborne is close to 0 °, and underwater oil contact angle is
153 °, there is super hydrophilic/underwater superoleophobic performance；To prepared PVDF@PDA@NiCo2(OH)6Composite membrane has carried out a variety of oil
Aqueous emulsion separating experiment, only separative efficiency can reach 99.5% under gravity condition.And by 10 circulation experiments it
Afterwards, flux recovery ratio reaches 87%, shows the composite membrane with good reproducibility and pollution resistance；And it is swept from filtered
It retouches and can be seen that galapectite nanoparticle still firmly connects on the surface of film in electron microscope, illustrate that the structure of composite membrane is stablized,
It can efficiently separate containing sewage.
(3) present invention uses membrane separation technique, and process is shorter, easy controlled operation, economizes on resources, is without secondary pollution, meeting green
Colour chemistry concept, suitable for being widely used to promote.
Detailed description of the invention
Fig. 1 is PVDF/GO@PDA@HNTs composite membrane scanning electron microscope (SEM) photograph.
Fig. 2 is the oily contact angle photo of PVDF/GO film.
Fig. 3 is the oily contact angle photo of PVDF/GO@PDA@HNTs film.
Fig. 4 is contact angle photo on PVDF/GO film water.
Fig. 5 is contact angle photo on PVDF/GO@PDA@HNTs film water.
Fig. 6 be the PVDF/GO@PDA@HNTs composite membrane for preparing of PVDF/GO film and different galapectite dosages only under gravity
Pure water flux and petroleum ether/aqueous emulsion flux pattern.
Fig. 7 be the PVDF/GO@PDA@HNTs composite membrane for preparing of PVDF/GO film and different galapectite dosages only under gravity
Petroleum ether/aqueous emulsion separative efficiency figure.
Fig. 8 is the separative efficiency figure of a variety of oil hydrosols of the compound UF membrane of PVDF/GO PDA HNTs.
Fig. 9 is scanning electron microscope (SEM) photograph after the compound membrane flux of PVDF/GO PDA HNTs.
Figure 10 is that PVDF/GO film and PVDF/GO@PDA@HNTs composite membrane recycle flux recovery than figure.
Specific embodiment
The invention will be further described combined with specific embodiments below:
Embodiment 1:
(1) it prepares PVDF/GO film: weighing the polyvinyl alcohol of 0.15g graphene, the Kynoar powder of 1.5g, 0.25g
Be added in 30mL N-Methyl pyrrolidone with the polyvinylpyrrolidone of 0.1g, under the conditions of being placed in 50 DEG C mechanical stirring for 24 hours,
Casting solution is obtained, casting solution is evenly applied to glass plate, is put into deionized water, PVDF/GO composite membrane is made；
(2) the Dopamine hydrochloride solution for preparing 100mL2mg/L is added 0.05g galapectite ultrasound uniformly, PVDF/GO is added
Film seals concussion reaction 6h, takes out film, is rinsed well, dried with deionized water, and PVDF/GO PDA HNTs film is made.
Embodiment 2:
(1) prepare PVDF/GO film: weigh 0.3g graphene, the Kynoar powder of 3g, 0.5g polyvinyl alcohol and
The polyvinylpyrrolidone of 0.3g is added in 30mL N-Methyl pyrrolidone, and mechanical stirring for 24 hours, obtains under the conditions of being placed in 50 DEG C
To casting solution, casting solution is evenly applied to glass plate, is put into deionized water, PVDF/GO composite membrane is made；
(2) the Dopamine hydrochloride solution for preparing 100mL2mg/L is added 0.1g galapectite ultrasound uniformly, PVDF/GO is added
Film, sealing concussion reaction for 24 hours, take out film, are rinsed well, dried with deionized water, and PVDF/GO PDA HNTs film is made.
Embodiment 3:
(1) it prepares PVDF/GO film: weighing 0.6g graphene, 6g Kynoar powder, 1g polyvinyl alcohol and the poly- second of 0.4g
Alkene pyrrolidone is added in 30mL N-Methyl pyrrolidone, and mechanical stirring for 24 hours, obtains casting solution under the conditions of being placed in 50 DEG C, will
Casting solution is evenly applied to glass plate, is put into deionized water, and PVDF/GO composite membrane is made；
(2) the Dopamine hydrochloride solution for preparing 100mL2mg/L is added 0.2g galapectite ultrasound uniformly, PVDF/GO is added
Film seals concussion reaction 18h, takes out film, is rinsed well, dried with deionized water, and PVDF/GO PDA HNTs film is made.
Fig. 1 is the scanning electron microscope (SEM) photograph of super hydrophilic PVDF/GO PDA HNTs composite membrane prepared by embodiment 2, can be with from figure
Find out that film surface distributed one layer of rod-like nano particle, increases the degree of roughness of film surface.
Fig. 2 is PVDF/GO film oil contact angle prepared by embodiment 2, wherein oily contact angle is 123 ° as we can see from the figure,
Show underwater oleophobic properties.
Fig. 3 is the oily contact angle of super hydrophilic PVDF/GO@PDA@HNTs film prepared by embodiment 2, wherein can from figure
It is 153 ° (150 ° of >) to underwater oily contact angle, shows underwater superoleophobic property, it can be seen that more galapectites enhance film
Oleophobic property.
Fig. 4 is the contact angle waterborne of super hydrophilic PVDF/GO composite membrane prepared by embodiment 2, wherein as we can see from the figure
Oily contact angle is 94 °, shows hydrophobic property.
Fig. 5 is the water contact angle of PVDF/GO@PDA@HNTs composite membrane prepared by embodiment 2, and water connects as we can see from the figure
Feeler is close to 0 °, shows super hydrophilicity.
Fig. 6 is PVDF/GO film prepared by embodiment 2 and different galapectite dosages (0.05g, 0.1g, 0.2g) preparation
The pure water flux and petroleum ether/aqueous emulsion flux pattern of PVDF/GO@PDA@HNTs composite membrane only under gravity；As can be seen from Fig.,
The water flux of PVDF/GO film is 546L.m-2.h-1；The water flux of galapectite dosage 0.05g, 0.1g and 0.2g are respectively 808L.m-2.h-1、1492L.m-2.h-1、1095L.m-2.h-1；The oily flux of PVDF/GO film is 325L.m-2.h-1；Galapectite dosage
The oily flux of 0.05g, 0.1g and 0.2g are respectively 447L.m-2.h-1、895L.m-2.h-1、667L.m-2.h-1；The flux of 0.1g is most
Greatly, and dosage increases, and flux reduces instead, this is because the galapectite of film surface grafting is too many, has blocked the hole of film surface
Diameter greatly reduces the flux of film.
Fig. 7 is PVDF/GO film prepared by embodiment 2 and different galapectite dosages (0.05g, 0.1g, 0.2g) preparation
Petroleum ether/aqueous emulsion separative efficiency the figure of PVDF/GO@PDA@HNTs composite membrane only under gravity；PVDF/GO film is in gravity item
Water-oil separating efficiency under part is 78.92%；The PVDF/GO@PDA@of different galapectite dosage (0.05g, 0.1g, 0.2g) preparations
Water-oil separating efficiency of the HNTs film under gravity condition is respectively 93.31%, 99.75% and 99.85%；It is much better than PVDF/GO
Membrane separation efficiency, and meet the principle of Green Chemistry.
Fig. 8 is the separative efficiency of a variety of oil hydrosols of the compound UF membrane of PVDF/GO PDA HNTs prepared by embodiment 2
Figure, the oil hydrosol without emulsifier and the oil hydrosol separative efficiency containing emulsifier, which are up to 99.5%, this concludes the description of institute
The PVDF@PDA@NiCo of preparation2(OH)6Composite membrane has wide applicability.
Fig. 9 is scanning electron microscope (SEM) photograph after the compound membrane flux of PVDF/GO PDA HNTs prepared by embodiment 2, can by scanning figure
To find out after carrying out water-oil separating experiment, still there is one layer of rod-like nano particle on the surface of film, illustrates prepared PVDF/
GO@PDA@HNTs structure of composite membrane is stablized.
Figure 10 is that PVDF/GO film prepared by embodiment 2 and PVDF/GO@PDA@HNTs composite membrane recycle flux recovery than figure.
After 10 water-oil separating experiment, the flux recovery ratio of PVDF/GO PDA HNTs film still reaches 87%, significantly larger than
PVDF/GO film (78%) illustrates that PVDF/GO@PDA@HNTs film has good pollution resistance and regenerability.
Illustrate: above embodiments are only to illustrate the present invention and not limit the technical scheme described by the invention；Therefore,
Although this specification is referring to above-mentioned each embodiment, the present invention has been described in detail, the common skill of this field
Art personnel should be appreciated that and still can modify to the present invention or equivalent replacement；And all do not depart from spirit of the invention and
The technical solution and its improvement of range, should all cover in scope of the presently claimed invention.
Claims (8)
1. a kind of preparation method of PVDF/GO@PDA@HNTs composite membrane, which is characterized in that steps are as follows:
(1) it prepares vinylidene/graphene oxide composite membrane: by graphene oxide, Kynoar powder and polyvinyl alcohol, gathering
Vinylpyrrolidone dissolves in N-Methyl pyrrolidone, after mechanical stirring, obtains casting solution, and casting solution is evenly applied to glass
Plate is put into deionized water, and PVDF/GO composite membrane is made；
(2) Dopamine hydrochloride solution is prepared first, galapectite is then dissolved in Dopamine hydrochloride solution, is added in step (1)
PVDF/GO composite membrane seals concussion reaction, and PVDF/GO@PDA@HNTs composite membrane is made.
2. a kind of preparation method of PVDF/GO@PDA@HNTs composite membrane according to claim 1, which is characterized in that step
(1) graphene oxide described in, Kynoar, polyvinyl alcohol, polyvinylpyrrolidone and N-Methyl pyrrolidone amount ratio
For 0.15 ~ 0.6g:1.5 ~ 6g:0.25 ~ 1g:0.1 ~ 0.4:30mL.
3. a kind of preparation method of PVDF/GO@PDA@HNTs composite membrane according to claim 1, which is characterized in that step
(1) churned mechanically temperature described in is 50 DEG C, and the mechanical stirring time is for 24 hours.
4. a kind of preparation method of PVDF/GO@PDA@HNTs composite membrane according to claim 1, which is characterized in that step
(2) concentration of Dopamine hydrochloride solution described in is 2mg/L.
5. a kind of preparation method of PVDF/GO@PDA@HNTs composite membrane according to claim 1, which is characterized in that step
(2) amount ratio of galapectite described in and Dopamine hydrochloride solution is 0.05 ~ 0.2g:100mL.
6. a kind of preparation method of PVDF/GO@PDA@HNTs composite membrane according to claim 1, which is characterized in that step
(2) time of concussion reaction described in be 6 ~ for 24 hours.
7. the PVDF/GO@PDA@HNTs composite membrane application of method preparation described in any one claim according to claim 1 ~ 6
In isolation of purified water quality.
8. the purposes of PVDF/GO@PDA@HNTs composite membrane according to claim 7, which is characterized in that the PVDF/GO@
PDA@HNTs composite membrane is applied particularly to isolate and purify the grease stain in oily wastewater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811363842.8A CN109482071B (en) | 2018-11-16 | 2018-11-16 | Preparation method and application of PVDF/GO @ PDA @ HNTs composite membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811363842.8A CN109482071B (en) | 2018-11-16 | 2018-11-16 | Preparation method and application of PVDF/GO @ PDA @ HNTs composite membrane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109482071A true CN109482071A (en) | 2019-03-19 |
| CN109482071B CN109482071B (en) | 2021-06-22 |
Family
ID=65695180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811363842.8A Active CN109482071B (en) | 2018-11-16 | 2018-11-16 | Preparation method and application of PVDF/GO @ PDA @ HNTs composite membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109482071B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110478944A (en) * | 2019-09-02 | 2019-11-22 | 兰州理工大学 | The preparation method and composite membrane and purposes of multi-functional concave convex rod composite membrane |
| CN112588134A (en) * | 2020-11-19 | 2021-04-02 | 西安科技大学 | Halloysite nanotube/graphene oxide oil-water separation membrane and preparation method and application thereof |
| CN112844065A (en) * | 2021-01-15 | 2021-05-28 | 赵梓俨 | MXene composite film preparation method and MXene composite film |
| WO2023000606A1 (en) * | 2021-07-22 | 2023-01-26 | 秦继恩 | Graphene composite antibacterial masterbatch, graphene quantum dot reinforced fiber and graphene quantum dot composite film, preparation method therefor, and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010006196A2 (en) * | 2008-07-10 | 2010-01-14 | Board Of Regents, The University Of Texas System | Water purification membranes with improved fouling resistance |
| CN103611432A (en) * | 2013-12-17 | 2014-03-05 | 哈尔滨工业大学 | Preparation method of polymer/graphene nano composite membrane |
| CN107638816A (en) * | 2017-11-14 | 2018-01-30 | 安徽大学 | Preparation method of dopamine-assisted dispersion graphene oxide-modified polyvinylidene fluoride ultrafiltration membrane |
| CN108341481A (en) * | 2018-01-18 | 2018-07-31 | 同济大学 | It is a kind of using discarded hollow fiber ultrafiltration membrane or microfiltration membranes as the processing method of the biologic packing material of matrix |
| CN108771975A (en) * | 2018-06-13 | 2018-11-09 | 江苏大学 | A kind of preparation method and applications of super hydrophilic/underwater superoleophobic poly-vinylidene-fluoride composite film |
-
2018
- 2018-11-16 CN CN201811363842.8A patent/CN109482071B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010006196A2 (en) * | 2008-07-10 | 2010-01-14 | Board Of Regents, The University Of Texas System | Water purification membranes with improved fouling resistance |
| CN103611432A (en) * | 2013-12-17 | 2014-03-05 | 哈尔滨工业大学 | Preparation method of polymer/graphene nano composite membrane |
| CN107638816A (en) * | 2017-11-14 | 2018-01-30 | 安徽大学 | Preparation method of dopamine-assisted dispersion graphene oxide-modified polyvinylidene fluoride ultrafiltration membrane |
| CN108341481A (en) * | 2018-01-18 | 2018-07-31 | 同济大学 | It is a kind of using discarded hollow fiber ultrafiltration membrane or microfiltration membranes as the processing method of the biologic packing material of matrix |
| CN108771975A (en) * | 2018-06-13 | 2018-11-09 | 江苏大学 | A kind of preparation method and applications of super hydrophilic/underwater superoleophobic poly-vinylidene-fluoride composite film |
Non-Patent Citations (1)
| Title |
|---|
| YIXIN PENG ET AL.: "A novel reduced graphene oxide-based composite membrane prepared via a facile deposition method for multifunctional applications: oil/water separation and cationic dyes removal", 《SEPARATION AND PURIFICATION TECHNOLOGY》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110478944A (en) * | 2019-09-02 | 2019-11-22 | 兰州理工大学 | The preparation method and composite membrane and purposes of multi-functional concave convex rod composite membrane |
| CN112588134A (en) * | 2020-11-19 | 2021-04-02 | 西安科技大学 | Halloysite nanotube/graphene oxide oil-water separation membrane and preparation method and application thereof |
| CN112844065A (en) * | 2021-01-15 | 2021-05-28 | 赵梓俨 | MXene composite film preparation method and MXene composite film |
| CN112844065B (en) * | 2021-01-15 | 2023-03-14 | 赵梓俨 | MXene composite film preparation method and MXene composite film |
| WO2023000606A1 (en) * | 2021-07-22 | 2023-01-26 | 秦继恩 | Graphene composite antibacterial masterbatch, graphene quantum dot reinforced fiber and graphene quantum dot composite film, preparation method therefor, and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109482071B (en) | 2021-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109482071A (en) | A kind of preparation method and its usage of PVDF/GO@PDA@HNTs composite membrane | |
| Wang et al. | Facile thermally impacted water‐induced phase separation approach for the fabrication of skin‐free thermoplastic polyurethane foam and its recyclable counterpart for oil–water separation | |
| CN108311067B (en) | Oil-water microemulsion separation method based on composite Janus microspheres | |
| CN108771975A (en) | A kind of preparation method and applications of super hydrophilic/underwater superoleophobic poly-vinylidene-fluoride composite film | |
| CN108159889A (en) | A kind of super hydrophilic-superoleophobic redox graphene filter membrane and purposes | |
| CN105148562A (en) | Candle-ash-assisted super-hydrophobic and super-oleophilic oil-water separation mesh film as well as preparation method and application of mesh film | |
| CN107312198A (en) | Super-hydrophobic cavernous body and preparation method thereof | |
| CN109985529A (en) | A kind of preparation method and application method of amphipathic water-oil separating filter membrane | |
| CN108970418B (en) | Preparation method of super-hydrophilic underwater super-oleophobic oil-water separation net | |
| CN104906828A (en) | Foam metal-based oil slick collection material and preparation method thereof | |
| CN102974238A (en) | Film surface hydrophilicity modifying method through PVA grafting by utilizing biological preparation | |
| CN110201422A (en) | The method that one step prepares super-hydrophobic oil-water separation mesh film | |
| CN107312197A (en) | Super-hydrophobic cavernosa material and preparation method thereof | |
| CN110124642B (en) | Oil absorption and storage particle for oil stain treatment and preparation method thereof | |
| CN105771322A (en) | Super hydrophilic oil-water separation filter paper and preparation method thereof | |
| CN107158970B (en) | Preparation method and application of super-hydrophilic gel composite membrane | |
| CN114177782A (en) | Photocatalytic MXene composite film and preparation method thereof | |
| CN108822333A (en) | Hydrophobic-super oleophylic sponge of one kind and its preparation method and application | |
| CN107312196A (en) | super-hydrophobic sponge material and preparation method thereof | |
| CN104194028A (en) | Preparation method and application of three-element siloxane sponge | |
| CN105935503A (en) | Preparation method and use of super hydrophobic carbon fabric@nickel-cobalt double hydroxide composite material | |
| CN109647295B (en) | Sodium alginate/N-succinyl chitosan composite aerogel and preparation method and application thereof | |
| CN104958931A (en) | Super-hydrophobic and super-lipophilic net membrane for oil-water separation and preparation method thereof | |
| CN105999767B (en) | A kind of hexagonal boron nitride is modified the preparation method of oil suction sponge | |
| CN106567284B (en) | A kind of preparation method and applications of bionic micro-nano structure oil-water separation filter paper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |